Oracle Database: Introduction to SQL

Skills covered:
Displaying courses for Great Britain [Change]

Overview

This course helps the participants to write subqueries, combine multiple queries into a single query using SET operators and report aggregated data using group functions.

Objectives

Display data from multiple tables using the ANSI SQL 99 JOIN syntax. Identify the major structural components of the Oracle Database 11g. Create reports of aggregated data. Write SELECT statements that include queries. Retrieve row and column data from tables. Run data manipulation statements (DML) in Oracle Database 11g. Create tables to store data. Utilize views to display data. Control database access to specific objects. Manage schema objects. Manage objects with data dictionary views. Write multiple-column sub-queries. Employ SQL functions to retrieve customized data. Use scalar and correlated sub-queries. Use the regular expression support in SQL. Create reports of sorted and restricted data.

Audience

Application Developers Business Analysts Data Warehouse Administrator Developer Forms Developer PL/SQL Developer System Analysts

Syllabus

Introduction to Oracle Database

  • List the features of Oracle Database 11g
  • Discuss the basic design, theoretical, and physical aspects of a relational database
  • Categorize the different types of SQL statements
  • Describe the data set used by the course
  • Log on to the database using SQL Developer environment
  • Save queries to files and use script files in SQL Developer

Retrieve Data using the SQL SELECT Statement

  • List the capabilities of SQL SELECT statements
  • Generate a report of data from the output of a basic SELECT statement
  • Select All Columns
  • Select Specific Columns
  • Use Column Heading Defaults
  • Use Arithmetic Operators
  • Understand Operator Precedence
  • Learn the DESCRIBE command to display the table structure

Learn to Restrict and Sort Data

  • Write queries that contain a WHERE clause to limit the output retrieved
  • List the comparison operators and logical operators that are used in a WHERE clause
  • Describe the rules of precedence for comparison and logical operators
  • Use character string literals in the WHERE clause
  • Write queries that contain an ORDER BY clause to sort the output of a SELECT statement
  • Sort output in descending and ascending order

Usage of Single-Row Functions to Customize Output

  • Describe the differences between single row and multiple row functions
  • Manipulate strings with character function in the SELECT and WHERE clauses
  • Manipulate numbers with the ROUND, TRUNC, and MOD functions
  • Perform arithmetic with date data
  • Manipulate dates with the DATE functions

Invoke Conversion Functions and Conditional Expressions

  • Describe implicit and explicit data type conversion
  • Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions
  • Nest multiple functions
  • Apply the NVL, NULLIF, and COALESCE functions to data
  • Use conditional IF THEN ELSE logic in a SELECT statement

Aggregate Data Using the Group Functions

  • Use the aggregation functions to produce meaningful reports
  • Divide the retrieved data in groups by using the GROUP BY clause
  • Exclude groups of data by using the HAVING clause

Display Data From Multiple Tables Using Joins

  • Write SELECT statements to access data from more than one table
  • View data that generally does not meet a join condition by using outer joins
  • Join a table to itself by using a self join

Use Sub-queries to Solve Queries

  • Describe the types of problem that sub-queries can solve
  • Define sub-queries
  • List the types of sub-queries
  • Write single-row and multiple-row sub-queries

The SET Operators

  • Describe the SET operators
  • Use a SET operator to combine multiple queries into a single query
  • Control the order of rows returned

Data Manipulation Statements

  • Describe each DML statement
  • Insert rows into a table
  • Change rows in a table by the UPDATE statement
  • Delete rows from a table with the DELETE statement
  • Save and discard changes with the COMMIT and ROLLBACK statements
  • Explain read consistency

Use of DDL Statements to Create and Manage Tables

  • Categorize the main database objects
  • Review the table structure
  • List the data types available for columns
  • Create a simple table
  • Decipher how constraints can be created at table creation
  • Describe how schema objects work

Other Schema Objects

  • Create a simple and complex view
  • Retrieve data from views
  • Create, maintain, and use sequences
  • Create and maintain indexes
  • Create private and public synonyms

Control User Access

Training provider

Teaching mode: Classroom - Instructor Led
Duration: 5 days
Gooroo has partnered with the global leaders in IT training to give you access to quality training, personalised to you, targeted at increasing your job opportunities and salary.

Our pricing

We do not display pricing as Gooroo members qualify for special discounts not available elsewhere. You must enquire through Gooroo to get this benefit.

New courses are happening all the time

Our partner's expert training consultant will provide you with the times and all the details you need. Enquire today.

Top skills covered in this course

Oracle Database
Great Britain
This skill has an average salary of
£51,930
and is mentioned in
1.74%
of job ads in this area.
SQL
Great Britain
This skill has an average salary of
£50,661
and is mentioned in
5.80%
of job ads in this area.
Database
Great Britain
This skill has an average salary of
£43,477
and is mentioned in
7.62%
of job ads in this area.